| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 51.05 |
| 8 | 2014 | 53.03 |
| 9 | 2013 | 53.42 |
| 10 | 2012 | 53.14 |
| 11 | 2011 | 51.15 |
| 12 | 2010 | 48.62 |
| 13 | 2009 | 48.11 |
| 14 | 2008 | 47.33 |
| 15 | 2007 | 47.62 |
| 16 | 2006 | 47.26 |
| 17 | 2005 | 47.31 |
| 18 | 2000 | 46.09 |
| 19 | 1995 | 44.37 |
| 20 | 1990 | 44.09 |
| 21 | 1985 | 44.20 |
| 22 | 1978 | 39.41 |
| 23 | 1975 | 40.34 |
| 24 | 1970 | 40.18 |
| 25 | 1965 | 38.47 |
| 26 | 1962 | 38.24 |
| 27 | 1957 | 35.96 |
| 28 | 1952 | 18.46 |
| 29 | 1949 | 14.76 |
